PLATE 14 
A. —Seepweed association. A dense stand of seepweed with the soil area be¬ 
tween covered with salt incrustations. This photograph was taken near sample 
No. 13. (See Table XXVI.) Thermal, Calif., September 14, 1914. 
B. —A bare flat, slick during wet weather, but hard as cement during the dry 
season. No plants occur on such areas. Mina, Nev., September 29, 1916. 
